Classifications

• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • B01D—SEPARATION
  • B01D65/00—Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes
  • B01D65/02—Membrane cleaning or sterilisation ; Membrane regeneration
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • B01D—SEPARATION
  • B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
  • B01D63/02—Hollow fibre modules
  • B01D63/034—Lumen open in more than two directions
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • B01D—SEPARATION
  • B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
  • B01D63/02—Hollow fibre modules
  • B01D63/04—Hollow fibre modules comprising multiple hollow fibre assemblies
  • B01D63/043—Hollow fibre modules comprising multiple hollow fibre assemblies with separate tube sheets
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • B01D—SEPARATION
  • B01D2313/00—Details relating to membrane modules or apparatus
  • B01D2313/54—Modularity of membrane module elements
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • B01D—SEPARATION
  • B01D2321/00—Details relating to membrane cleaning, regeneration, sterilization or to the prevention of fouling
  • B01D2321/04—Backflushing

Definitions

• the present invention relates to filtration processes and apparatus of the kind using
• microporous membranes wherein feed containing contaminant matter is applied under
• the invention relates to systems using microporous filters
• the systems also preferably incorporate a backwashing facility
• an elongate housing having a plurality of discrete filter bundle lengths disposed
• each filter bundle comprising a multitude of
• microporous polymeric hollow fibres wherein feed to be filtered is fed to the outside of
• the bundle of fibres and permeate is extracted from one or both discharge ends of the
• one or more feed passages extending longitudinally along said housing to direct
• manifold arrangements are disposed at one or both
• the housing can include two, three or four filter bundle lengths
• each longitudinal length is disposed end to end in a series configuration. More preferably, each longitudinal length
• the housing also has therein two or more co-extending filter bundle lengths that are each similarly connected in series to adjacent filter bundle lengths. In this manner, large
• co-extensive filter bundle lengths are interconnected as a sub-
• each bundle length is separately assembled from each
• the invention provides an elongate housing containing at any
• a peripheral feed passage is provided that is
• peripheral feed passage and/or central feed passage may be configured, by the use of
• packing material for example, to assist in directing the flow of feed both around and into
• the feed outlet port can
• filtrate or permeate outlet ports and a backwashing fluid is subsequently applied to the external surfaces of the fibres to flush out any accumulated contaminants that may have
• Figure 1 is a longitudinally sectioned part view of a first embodiment filtration
• Figure 2 is a transverse section taken on line 2-2 of Figure 1;
• Figure 3 is a more detailed longitudinally sectioned part view of a very similar
• Figure 4 is an enlarged detailed transverse section of the system shown in Figure 3;
• Figure 5 is a cut away perspective part view of a second embodiment filtration
• Figure 6 is a schematic side view of a three dimensional array constructed using
• Figure 7 is an end view of the filter assembly shown in Figure 6;
• Figure 8 is a first graph showing the results of a first performance comparison test
• Figure 9 is a second graph showing the results of a second performance
• the filter assembly 1 includes an elongate housing 2
• Each filter bundle comprises a multitude of micro-porous polymeric hollow fibres
• permeate is extracted from one or both permeate discharge ends 4 of the fibre lumens.
• the preferred potting material is urethane, which is a thermo setting polymer.
• shallow pre-pot tray is provided in the final peripheral shape required, that has a plurality
• the fibres are arranged in the tray and the resin is cast, blocking off the fibre lumens at the end.
• the pre-pot trays are then removed and the
• the feed passages comprise a
• the bundles have an outer casing including packing means that extends up
• the casing including means to direct the flow of
• the central feed passage may similarly be
• One or more longitudinally extending permeate return passages 8 are also provided.
• each housing 2 Disposed at one or both longitudinal ends of each housing 2 is a manifold or
• Each header includes a feed inlet port 11 that is in fluid flow communication with the longitudinally extending feed passages 6 and 7,
• TMP trans membrane pressure drop

Landscapes

• Chemical & Material Sciences (AREA)
• Chemical Kinetics & Catalysis (AREA)
• Separation Using Semi-Permeable Membranes (AREA)
• Filtering Materials (AREA)

Priority Applications (5)

Applications Claiming Priority (2)

Related Child Applications (1)

Publications (1)

Family

ID=3798433

Family Applications (1)

Country Status (9)

Cited By (41)

Families Citing this family (37)

Citations (4)

Family Cites Families (11)

• 1996
  • 1996-12-10 AU AUPO4125A patent/AUPO412596A0/en not_active Abandoned
• 1997
  • 1997-12-09 JP JP52600998A patent/JP3949728B2/ja not_active Expired - Fee Related
  • 1997-12-09 EP EP97946710A patent/EP0954371B1/en not_active Expired - Lifetime
  • 1997-12-09 DE DE69738497T patent/DE69738497T2/de not_active Expired - Lifetime
  • 1997-12-09 CN CNB971991103A patent/CN1140323C/zh not_active Expired - Fee Related
  • 1997-12-09 ES ES97946710T patent/ES2297866T3/es not_active Expired - Lifetime
  • 1997-12-09 WO PCT/AU1997/000835 patent/WO1998025694A1/en not_active Ceased
  • 1997-12-09 KR KR10-1999-7005210A patent/KR100519690B1/ko not_active Expired - Fee Related
• 1999
  • 1999-03-31 US US09/283,690 patent/US6254773B1/en not_active Expired - Lifetime

Patent Citations (4)

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